/*
 * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.micode.notes.data;//放在data包中

import android.net.Uri;//引用URI类
public class Notes {        //定义一个公有的类，并且是外嵌类
    public static final String AUTHORITY = "micode_notes";  //string类定义的静态常量对象，路径
    public static final String TAG = "Notes";       //string类定义的静态常量对象，路径下的notes文件
    public static final int TYPE_NOTE     = 0;      //笔记，该目录
    public static final int TYPE_FOLDER   = 1;      //文件
    public static final int TYPE_SYSTEM   = 2;//系统
    /**
     * Following IDs are system folders' identifiers
     * {@link Notes#ID_ROOT_FOLDER } is default folder
     * {@link Notes#ID_TEMPARAY_FOLDER } is for notes belonging no folder
     * {@link Notes#ID_CALL_RECORD_FOLDER} is to store call records
     */
    public static final int ID_ROOT_FOLDER = 0;     //超用户
    public static final int ID_TEMPARAY_FOLDER = -1;
    public static final int ID_CALL_RECORD_FOLDER = -2;     //通话记录
    public static final int ID_TRASH_FOLER = -3;            //垃圾文件

    public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date";
    public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id";
    public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id";
    public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type";
    public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id";
    public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date";

    public static final int TYPE_WIDGET_INVALIDE      = -1;
    public static final int TYPE_WIDGET_2X            = 0;
    public static final int TYPE_WIDGET_4X            = 1;

    public static class DataConstants {     //内部类
        public static final String NOTE = TextNote.CONTENT_ITEM_TYPE;           //获取textnote类中的一个string的静态量
        public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE;
    }

    /**
     * Uri to query all notes and folders
     */
    public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note");       //创建一个Uri，用于解析给定的编码Uri字符串，在该地址下

    /**
     * Uri to query data
     */
    public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data");           //创建一个Uri，用于解析给定的编码Uri字符串 在该地址下

    public interface NoteColumns {      //创建接口
        /**
         * The unique ID for a row
         * <P> Type: INTEGER (long) </P>
         */
        public static final String ID = "_id";          //账号

        /**
         * The parent's id for note or folder
         * <P> Type: INTEGER (long) </P>
         */
        public static final String PARENT_ID = "parent_id";     //父母的账号

        /**
         * Created data for note or folder
         * <P> Type: INTEGER (long) </P>
         */
        public static final String CREATED_DATE = "created_date";       //创建数据

        /**
         * Latest modified date
         * <P> Type: INTEGER (long) </P>
         */
        public static final String MODIFIED_DATE = "modified_date";     //修改数据


        /**
         * Alert date
         * <P> Type: INTEGER (long) </P>
         */
        public static final String ALERTED_DATE = "alert_date";         //提醒

        /**
         * Folder's name or text content of note
         * <P> Type: TEXT </P>
         */
        public static final String SNIPPET = "snippet";             //小条

        /**
         * Note's widget id
         * <P> Type: INTEGER (long) </P>
         */
        public static final String WIDGET_ID = "widget_id";         //组件id

        /**
         * Note's widget type
         * <P> Type: INTEGER (long) </P>
         */
        public static final String WIDGET_TYPE = "widget_type";     //组件类型

        /**
         * Note's background color's id
         * <P> Type: INTEGER (long) </P>
         */
        public static final String BG_COLOR_ID = "bg_color_id";         //背景颜色id

        /**
         * For text note, it doesn't has attachment, for multi-media
         * note, it has at least one attachment
         * <P> Type: INTEGER </P>
         */
        public static final String HAS_ATTACHMENT = "has_attachment";       //

        /**
         * Folder's count of notes
         * <P> Type: INTEGER (long) </P>
         */         
        public static final String NOTES_COUNT = "notes_count";         //笔记数量

        /**
         * The file type: folder or note
         * <P> Type: INTEGER </P>
         */
        public static final String TYPE = "type";           //类型

        /**
         * The last sync id
         * <P> Type: INTEGER (long) </P>
         */
        public static final String SYNC_ID = "sync_id";        //同步id

        /**
         * Sign to indicate local modified or not
         * <P> Type: INTEGER </P>
         */
        public static final String LOCAL_MODIFIED = "local_modified";       //本地已修改

        /**
         * Original parent id before moving into temporary folder
         * <P> Type : INTEGER </P>
         */
        public static final String ORIGIN_PARENT_ID = "origin_parent_id";

        /**
         * The gtask id
         * <P> Type : TEXT </P>
         */
        public static final String GTASK_ID = "gtask_id";

        /**
         * The version code
         * <P> Type : INTEGER (long) </P>
         */
        public static final String VERSION = "version";
    }

    public interface DataColumns {          //创建接口
        /**
         * The unique ID for a row
         * <P> Type: INTEGER (long) </P>
         */
        public static final String ID = "_id";

        /**
         * The MIME type of the item represented by this row.
         * <P> Type: Text </P>
         */
        public static final String MIME_TYPE = "mime_type";

        /**
         * The reference id to note that this data belongs to
         * <P> Type: INTEGER (long) </P>
         */
        public static final String NOTE_ID = "note_id";

        /**
         * Created data for note or folder
         * <P> Type: INTEGER (long) </P>
         */
        public static final String CREATED_DATE = "created_date";

        /**
         * Latest modified date
         * <P> Type: INTEGER (long) </P>
         */
        public static final String MODIFIED_DATE = "modified_date";

        /**
         * Data's content
         * <P> Type: TEXT </P>
         */
        public static final String CONTENT = "content";


        /**
         * Generic data column, the meaning is {@link #MIMETYPE} specific, used for
         * integer data type
         * <P> Type: INTEGER </P>
         */
        public static final String DATA1 = "data1";

        /**
         * Generic data column, the meaning is {@link #MIMETYPE} specific, used for
         * integer data type
         * <P> Type: INTEGER </P>
         */
        public static final String DATA2 = "data2";

        /**
         * Generic data column, the meaning is {@link #MIMETYPE} specific, used for
         * TEXT data type
         * <P> Type: TEXT </P>
         */
        public static final String DATA3 = "data3";

        /**
         * Generic data column, the meaning is {@link #MIMETYPE} specific, used for
         * TEXT data type
         * <P> Type: TEXT </P>
         */
        public static final String DATA4 = "data4";

        /**
         * Generic data column, the meaning is {@link #MIMETYPE} specific, used for
         * TEXT data type
         * <P> Type: TEXT </P>
         */
        public static final String DATA5 = "data5";
    }
    
    public static final class TextNote implements DataColumns {//定义一个textnote类，继承datacolumns接口，该类不允许被继承
        /**
         * Mode to indicate the text in check list mode or not
         * <P> Type: Integer 1:check list mode 0: normal mode </P>
         */
        public static final String MODE = DATA1;

        public static final int MODE_CHECK_LIST = 1;

        public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note";

        public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note";

        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note");       //创建一个Uri，用于解析给定的编码Uri字符串
    }

    public static final class CallNote implements DataColumns {
        /**
         * Call date for this record
         * <P> Type: INTEGER (long) </P>
         */
        public static final String CALL_DATE = DATA1;

        /**
         * Phone number for this record
         * <P> Type: TEXT </P>
         */
        public static final String PHONE_NUMBER = DATA3;

        public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note";

        public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note";

        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note");       //创建一个Uri，用于解析给定的编码Uri字符串
    }
}